CN211444326U - Tensile little electrostatic film unwinding device - Google Patents
Tensile little electrostatic film unwinding device Download PDFInfo
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- CN211444326U CN211444326U CN201921967796.2U CN201921967796U CN211444326U CN 211444326 U CN211444326 U CN 211444326U CN 201921967796 U CN201921967796 U CN 201921967796U CN 211444326 U CN211444326 U CN 211444326U
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- traction wheel
- electrostatic film
- floating
- unwinding device
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Abstract
The utility model provides an electrostatic film unwinding device with small stretching, which comprises a feeding shaft, a floating roller, a traction wheel, a first compression roller, a dispersing roller, a second compression roller and a laminating roller, wherein the feeding shaft is arranged on a process platform; the air pump controls the compression roller to press downwards, the compression roller is in contact with the traction wheel, the rotating motor is started, and the traction wheel rotates; the unreeling rotation of material loading axle membrane material is the same with the unreeling linear velocity of floating roll, and floating roll and electrostatic film unreel the material and roll up the contact, has reduced the tensile distance of unreeling in-process electrostatic film and floating roll, and reduces along with the electrostatic film book footpath in the production process, and the floating roll leans on self gravity along with descending, and then realizes that the short deformation of membrane tensile distance is little, and whole unreels in-process tensile interval and uniform constant velocity, changes the straight line stretching angle of carry over pinch rolls and electrostatic film material, has offset some pulling force.
Description
Technical Field
The utility model relates to a glue unreeling technical field in the technology, specifically speaking relates to a tensile little electrostatic film unwinding device.
Background
The electrostatic film is a non-adhesive film, is mainly made of PE and PVC materials, adheres to an object by electrostatic adsorption of a product, plays a role in protection, is generally mainly used for surfaces which are sensitive to adhesive or glue residue, and is also used for very smooth surfaces such as glass, lenses, high-gloss plastic surfaces and acrylic. The static film does not sense static electricity at the outside, is a self-adhesive film, has low adhesive force, is enough for being used on a highlight surface, and has 3 filaments, 5 filaments and 8 filaments in general thickness. The color is transparent.
The electrostatic film coil stock without the substrate, the common electrostatic film surface fabric unreels the mode in traditional technology, adopts the rotation motor to drive the laminating roller and rotates, realizes laminating after membrane and membrane separation, nevertheless because of the electrostatic film is very soft and electrostatic adsorption effect, the layer is very big with the separating force between the layer when unreeling, appears the membrane face stretch deformation very big easily, and the membrane face contracts seriously after the adhesion to bring the product can not be used or scrap seriously.
Therefore, an electrostatic film unwinding device with small stretching is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide an electrostatic film unwinding device with small stretching, which comprises a feeding shaft, a floating roller, a traction wheel, a first compression roller, a dispersing roller, a bending roller, a second compression roller and a laminating roller, wherein the feeding shaft is arranged on a process platform; the traction wheel is connected with a first rotating motor through a linkage device, and the first rotating motor is fixedly arranged on the process platform at the right lower part of the traction wheel so as to enable the first rotating motor to control the traction wheel to rotate; the compression roller I is positioned above the traction wheel and is connected with an air pump through a linkage device, and the air pump is fixedly arranged on the process platform so that the air pump controls the compression roller I to press down to be in contact with the traction wheel; the dispersion roller is arranged on the right side of the traction wheel, the bending roller is arranged on the right side of the dispersion roller, the second pressing roller is arranged on the right side of the bending roller, the laminating roller is arranged on the right side of the second pressing roller, the laminating roller is connected with a second rotating motor through a linkage device, and the second rotating motor is fixedly arranged on a process platform on the left lower side of the laminating roller; wherein, the linear velocity of traction wheel is greater than the linear velocity of laminating roller.
According to the technical scheme, the electrostatic film material is fixed on the feeding shaft through the sliding rail, and the film material is transmitted along the direction from the traction wheel to the laminating roller; the air pump controls the compression roller to press downwards, the compression roller is in contact with the traction wheel, the rotating motor is started, and the traction wheel rotates; the floating roller is contacted with the film material, the unreeling rotation of the film material of the feeding shaft is the same as the unreeling linear speed of the floating roller, the floating roller is contacted with the electrostatic film unreeling roll, the stretching distance between the electrostatic film and the floating roller in the unreeling process is reduced, the stretching distance and the same speed are balanced and unchanged in the whole unreeling process, the linear stretching angle between the traction roller and the electrostatic film material is changed, and a part of tension is counteracted; the dispersion roller is positioned between the traction wheel and the laminating roller, the dispersion roller eliminates the tension in the film material conveying process by changing the contact mode with the film material, the bending roller also eliminates the uncertain pressure in the film material conveying process by increasing the contact area with the film material, the tension-free feeding is further realized, and the film return is avoided; the linear velocity of the traction wheel is greater than that of the laminating roller, so that the tensile stress deformation of the film material is effectively reduced.
As a further explanation of the electrostatic film unwinding device of the present invention, preferably, the floating roller is a silicon-coated roller with a diameter of 8 mm. Through above-mentioned technical scheme, the running roller of scribbling the silicon can prevent the mucosa.
As a further description of the electrostatic film unwinding device of the present invention, preferably, a first rotating motor and a second rotating motor are electrically connected to a frequency converter, and the frequency converter controls the ratio of the linear velocity of the traction wheel to the linear velocity of the laminating roller to be between 1.02 and 1.03.
According to the technical scheme, the frequency converter is used for controlling the linear speed of the traction wheel and the laminating roller, so that the film feeding speed is slightly higher than the laminating speed, and the local ripples in the process pass through the dispersing roller to realize tension-free feeding, so that the film return is reduced; the frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation.
As a further description of the electrostatic film unwinding device of the present invention, preferably, the traction wheel is a rubber roller with a diameter of 20cm and a hardness of 80 °. Through above-mentioned technical scheme, conveniently pull out the static membrane.
As a further explanation of the electrostatic film unwinding device of the present invention, preferably, the diameter of the dispersion roller is 14cm, and the sidewall of the dispersion roller is uniformly distributed with plastic blades having equidistant arc lengths.
Through above-mentioned technical scheme, through the increase area of contact of plastics blade, through the pulling force in order to eliminate the membrane material transportation process of the contact mode of change and membrane material, the edges and corners between plastics blade and the dispersion roller lateral wall eliminates local ripple, further realizes not having the pulling force pay-off, and diameter 14cm can be chooseed for use to the material of dispersion roller, and the arc length is 3 cm's plastics blade, and in membrane material tension hour to realize the membrane material exhibition flat.
As right the electrostatic film unwinding device of the present invention further explain, preferably, the floating roll is connected to the low friction cylinder through the linkage, so that the low friction cylinder controls the floating roll to swing up and down under the effect of self gravity and the friction force generated by contacting with the electrostatic film material.
Through above-mentioned technical scheme, along with the electrostatic film rolls up footpath and diminishes in the production process, the floating roll leans on self gravity along with descending, and then realizes that the short deformation of membrane stretching distance is little.
As a further description of the electrostatic film unwinding device of the present invention, preferably, the electrostatic film unwinding device further includes a bending roll installed on the process platform, and the bending roll is a fluorine iron coating roll with a diameter of 8 cm.
Through above-mentioned technical scheme, scribble the fluorine iron roller and can avoid gluing the water, especially before the laminating region, effectively alleviated the membrane and unreeled the local ripple that the in-process appears, reduced the fold of laminating process.
As a further description of the electrostatic film unwinding device of the present invention, preferably, the distance between the traction wheel and the laminating roller is 5M.
Through the technical scheme, the conventional distance between the traction roller and the laminating roller is 1-2M, the distance between the traction roller and the laminating roller is increased to 5M, and the effects of presenting feeding and enabling the electrostatic film material to retract before laminating to a certain extent are achieved.
The utility model has the advantages as follows:
1. the stretching distance is reduced through the floating rollers, and the synchronous traction feeding is larger than the effective reduction film material stretching stress deformation in comparison with the attaching speed ratio.
2. The distance between the traction roller and the laminating roller is increased, feeding is realized, and the electrostatic film material retracts to a certain degree before laminating.
3. The speed of film feeding is slightly higher than the laminating speed, local ripples in the process pass through the dispersion roller, and then the non-tension feeding is realized, so that the film return is reduced.
Drawings
Fig. 1 is a schematic structural diagram provided in the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a dispersing roller according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a bending roll according to an embodiment of the present invention.
In the figure: the device comprises a feeding shaft 1, a floating roller 2, a traction wheel 3, a first compression roller 4, an air pump 5, a first rotating motor 6, a dispersing roller 7, a bending roller 8, a second compression roller 9, a laminating roller 10, a second rotating motor 11 and plastic blades 12.
Detailed Description
In order to further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention.
As shown in fig. 1, the electrostatic film unwinding device with small stretching comprises a feeding shaft 1, a floating roller 2, a traction wheel 3, a first compression roller 4, a dispersing roller 7, a bending roller, a second compression roller 9 and a bonding roller 10, wherein the feeding shaft 1 is fixedly provided with a slide rail for feeding an electrostatic film material, the floating roller 2 is positioned between the feeding shaft 1 and the traction wheel 3, and the floating roller 2 is in contact with the electrostatic film material on the feeding shaft 1; the traction wheel 3 is connected with a first rotating motor 6 through a linkage device, the linkage device can be gear linkage or belt wheel linkage, and is common knowledge in the mechanical field, and the first rotating motor 6 is fixedly arranged on a process platform at the right lower part of the traction wheel 3, so that the first rotating motor 6 controls the traction wheel 3 to rotate; the compression roller I4 is positioned above the traction wheel 3, the compression roller I4 is connected with an air pump 5 through a linkage device, and the air pump 5 is fixedly arranged on the process platform, so that the air pump 5 controls the compression roller I4 to press down to be in contact with the traction wheel 3; the dispersing roller 7 is arranged on the right side of the traction wheel 3, the bending roller 8 is arranged on the right side of the dispersing roller 7, the press roller II 9 is arranged on the right side of the bending roller 8, and the linkage mode of the press roller II 9 is similar to that of the press roller I4; the laminating roller 10 is arranged on the right side of the second pressing roller 9, the laminating roller 10 is connected with a second rotating motor 11 through a linkage device, and the second rotating motor 11 is fixedly arranged on a process platform on the lower left of the laminating roller 10; wherein the linear velocity of the traction wheel 3 is greater than the linear velocity of the laminating roller 10.
The electrostatic film material is fixed on the feeding shaft 1 through a slide rail, and the film material is transmitted along the direction from the traction wheel 3 to the attaching roller 10; the compression roller 4 is controlled to be pressed down by the air pump 5 and is in contact with the traction wheel 3, the rotating motor 6 is started, and the traction wheel 3 runs; the floating roller 2 is contacted with the film material, the unreeling rotation of the film material of the feeding shaft 1 is the same as the unreeling linear speed of the floating roller 2, the floating roller 2 is contacted with the electrostatic film unreeling roll, the stretching distance between the electrostatic film and the floating roller 2 in the unreeling process is reduced, and the floating roller 2 descends along with the reduction of the roll diameter of the electrostatic film in the production process by means of self gravity, so that the short deformation of the film stretching distance is realized, the stretching distance and the same speed are balanced and unchanged in the whole unreeling process, the linear stretching angle between the traction roller 3 and the electrostatic film material is changed, and a part of pulling force is counteracted; the dispersing roller 7 is positioned between the traction wheel 3 and the laminating roller 10, and the contact mode with the film material is changed to eliminate the tension in the film material conveying process, so that tension-free feeding is realized, and film return is reduced;
as shown in FIG. 3, the bending roller 8 also eliminates uncertain pressure in the film material transmission process by increasing the contact area with the film material, thereby further realizing tension-free feeding and avoiding film return.
As an implementation mode of the utility model, the floating roller 2 is a silicon-coated roller with the diameter of 8 mm; the silicon-coated roller can prevent sticking.
As shown in fig. 2, as an embodiment of the present invention, a frequency converter is electrically connected to the first rotating motor 6 and the second rotating motor 11, and the frequency converter controls the ratio of the linear velocity of the traction wheel 3 to the linear velocity of the laminating roller 10 to be 1.02-1.03, so that the speed of film feeding is slightly greater than the laminating speed, and the local waviness is generated in the process. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation.
As an embodiment of the present invention, the side walls of the dispersion roller 7 are evenly distributed with plastic blades 12 of equidistant arc length. Through the increase area of contact of plastic blade 12, through the pulling force in order to eliminate the membrane material transportation process of the contact mode of change and membrane material, the edges and corners between plastic blade 12 and the dispersion roller 7 lateral wall eliminates local ripple, further realizes not having the pulling force pay-off, and diameter 14cm can be chooseed for use to the material of dispersion roller 7, and the arc length is 3 cm's plastic blade, and in membrane material tension hour to realize the membrane material exhibition flat.
As an embodiment of the present invention, the traction wheel 3 is a rubber roller with a diameter of 20cm and a hardness of 80 °, and the electrostatic film is conveniently pulled out.
As an embodiment of the utility model, the floating roll 2 is connected with the low friction cylinder through the aggregate unit, so that the low friction cylinder control floating roll 2 luffing motion under the effect of self gravity and the wiping power that produces with the contact of electrostatic film membrane material. In the production process, along with the reduction of the roll diameter of the electrostatic film, the floating roller descends along with the self gravity, and the short stretching distance and the small deformation of the film are further realized.
As an embodiment of the utility model, the bending roll 8 is a fluorine iron coating roll with a diameter of 8 cm. The fluorine-coated iron roller can avoid glue adhesion, and particularly before a laminating area, local ripples appearing in the film unreeling process are effectively relieved, and wrinkles in the laminating process are reduced.
As an embodiment of the present invention, the distance between the traction wheel 3 and the laminating roller 10 is 5M. The conventional distance between the traction roller and the laminating roller is 1-2M, the distance between the traction roller and the laminating roller is increased to 5M, and the effects of feeding and enabling the electrostatic film material to retract before laminating to a certain extent are achieved.
It should be noted that the above mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be interpreted as limiting the scope of the present invention. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (8)
1. The utility model provides a tensile little electrostatic film unwinding device, is including installing material loading axle (1), floating roll (2), traction wheel (3), compression roller (4), dispersion roller (7), bending roll (8), compression roller two (9) and laminating roller (10) on the technology platform, and fixed mounting has the slide rail so that electrostatic film membrane material loading, its characterized in that on material loading axle (1):
the floating roller (2) is positioned between the feeding shaft (1) and the traction wheel (3), and the floating roller (2) is contacted with the electrostatic film material on the feeding shaft (1);
the traction wheel (3) is connected with a first rotating motor (6) through a linkage device, and the first rotating motor (6) is fixedly arranged on a process platform at the right lower part of the traction wheel (3) so that the first rotating motor (6) controls the traction wheel (3) to rotate;
the compression roller I (4) is positioned above the traction wheel (3), the compression roller I (4) is connected with an air pump (5) through a linkage device, and the air pump (5) is fixedly installed on the process platform, so that the air pump (5) controls the compression roller I (4) to press down to be in contact with the traction wheel (3);
the dispersing roller (7) is arranged on the right side of the traction wheel (3), the bending roller (8) is arranged on the right side of the dispersing roller (7), the second compression roller (9) is arranged on the right side of the bending roller (8), the laminating roller (10) is arranged on the right side of the second compression roller (9), the laminating roller (10) is connected with a second rotating motor (11) through a linkage device, and the second rotating motor (11) is fixedly arranged on a process platform on the left lower side of the laminating roller (10);
wherein the linear speed of the traction wheel (3) is greater than that of the laminating roller (10).
2. The small-stretch electrostatic film unwinding device of claim 1, wherein: the floating roller (2) is a silicon-coated roller with the diameter of 8 mm.
3. The small-stretch electrostatic film unwinding device of claim 1, wherein: the first rotating motor (6) and the second rotating motor (11) are electrically connected with a frequency converter, and the frequency converter controls the ratio of the linear speed of the traction wheel (3) to the linear speed of the laminating roller (10) to be 1.02-1.03.
4. The small-stretch electrostatic film unwinding device of claim 1, wherein: the traction wheel (3) is a rubber roller with the diameter of 20cm and the hardness of 80 degrees.
5. The small-stretch electrostatic film unwinding device of claim 1, wherein: the diameter of the dispersion roller (7) is 14cm, and plastic blades (12) with equal arc length are uniformly distributed on the side wall of the dispersion roller (7).
6. The small-stretch electrostatic film unwinding device of claim 5, wherein: the floating roller (2) is connected with a low-friction cylinder through a linkage device, so that the low-friction cylinder controls the floating roller (2) to swing up and down under the action of self gravity and the sliding friction force generated by the contact of the floating roller and the electrostatic film material.
7. The small-stretch electrostatic film unwinding device of claim 1, wherein: the bending roll (8) is a fluorine-coated iron roll with the diameter of 8 cm.
8. The small-stretch electrostatic film unwinding device of claim 1, wherein: the distance between the traction wheel (3) and the laminating roller (10) is 5M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921967796.2U CN211444326U (en) | 2019-11-14 | 2019-11-14 | Tensile little electrostatic film unwinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921967796.2U CN211444326U (en) | 2019-11-14 | 2019-11-14 | Tensile little electrostatic film unwinding device |
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| CN211444326U true CN211444326U (en) | 2020-09-08 |
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| CN201921967796.2U Active CN211444326U (en) | 2019-11-14 | 2019-11-14 | Tensile little electrostatic film unwinding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143390A (en) * | 2020-09-12 | 2020-12-29 | 浙江辉柯纸塑制品有限公司 | Unreeling system and process of low-tensile PVC (polyvinyl chloride) film |
| CN112777376A (en) * | 2021-01-19 | 2021-05-11 | 江苏厚生新能源科技有限公司 | Method for reducing rolling deformation of base film main line |
-
2019
- 2019-11-14 CN CN201921967796.2U patent/CN211444326U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143390A (en) * | 2020-09-12 | 2020-12-29 | 浙江辉柯纸塑制品有限公司 | Unreeling system and process of low-tensile PVC (polyvinyl chloride) film |
| CN112143390B (en) * | 2020-09-12 | 2023-05-09 | 浙江辉柯纸塑制品有限公司 | Unreeling system and process of low-tensile PVC film |
| CN112777376A (en) * | 2021-01-19 | 2021-05-11 | 江苏厚生新能源科技有限公司 | Method for reducing rolling deformation of base film main line |
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